Animals with Rhythm:https://www.npr.org/sections/thetwo-way/2017/07/20/538092965/elephant-seals-can-recognize-rhythm-and-pitchhttps://www.smithsonianmag.com/science-nature/do-animals-have-rhythm-180951865/http://www.cell.com/current-biology/fulltext/S0960-9822(17)30772-8